Gaya APA

Laufer, A, H, D, L, N, M, G, N. (2013). CURRENT DIAGNOSIS & TREATMEN OBSTETRI & GYNECOLOGY (11). UNITED STATES OF AMERICA: Mc Graw Hill Medical.

Gaya MLA

Laufer, Alan, H., DeCherney,, Lauren, Nathan,, Murphy, Goodwin,, Neri. "CURRENT DIAGNOSIS & TREATMEN OBSTETRI & GYNECOLOGY". 11 UNITED STATES OF AMERICA: Mc Graw Hill Medical, 2013. Text.